Tread portion of an automobile tire



FIG. 1 is a perspective view of a tread portion of an automobile tireaccording to our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a fragmentary enlarged front view surrounded by line 6-6 inFIG. 2; and,

FIG. 7 is a sectional view taken along line 7-7 in FIG. 6.

In the drawings, the broken lines defining portions of the tread, thesidewall, inner bead and the peripheral boundary between the claimedtire tread and the unclaimed sidewall depict environmental subjectmatter that forms no part of the claimed design.

CLAIM The ornamental design for a tread portion of an automobile tire,as shown and described.